Volumetric Flow Rate using Poiseuille’s Equation Calculator Poiseuille’s Flow Rate Calculator Calculate the volumetric flow rate using: $$ Q = \frac{\pi\,\Delta P\,r^4}{8\,\mu\,L} $$ * Enter the pressure difference \( \Delta P \) (Pa), pipe radius in millimeters (mm), dynamic viscosity \( \mu \) (Pa·s), and pipe length \( L \) (m). Step 1: Enter Parameters […]
Mass Flow Rate Calculator Mass Flow Rate Calculator Calculate the mass flow rate using: $$ \dot{m} = \rho \, Q $$ * Enter the fluid density \( \rho \) (kg/m³) and the volumetric flow rate \( Q \) (m³/s). Step 1: Enter Parameters Fluid Density, \( \rho \) (kg/m³): e.g., 1000 kg/m³ for water Volumetric […]
Pressure Loading of Thin-walled Vessels (Sphere) Calculator Pressure Loading of Thin-walled Vessels (Sphere) Calculator Calculate the hoop stress (pressure loading) using: $$ \sigma = \frac{P\,r}{2t} $$ * Enter the internal pressure \(P\) (Pa), sphere radius \(r\) (mm), and wall thickness \(t\) (mm). The result is shown in pascals (Pa) and megapascals (MPa). Step 1: Enter […]
Pump Power Calculator Pump Power Calculator Calculate the pump power using: $$ P = \frac{\rho \, g \, Q \, H}{\eta} $$ * Enter fluid density (kg/m³), flow rate (m³/s), head (m), and pump efficiency (as a decimal). Step 1: Enter Parameters Fluid Density, \( \rho \) (kg/m³): e.g., 1000 kg/m³ for water Volumetric Flow […]
Molal Boiling Point Elevation Calculator Molal Boiling Point Elevation Calculator Calculate the boiling point elevation using: $$ \Delta T_b = i\,K_b\,m $$ * Enter the van ‘t Hoff factor \( i \), ebullioscopic constant \( K_b \) (°C·kg/mol), and the molality \( m \) (mol/kg). Step 1: Enter Parameters van ‘t Hoff Factor, \( i […]
Souders–Brown Equation Calculator Souders–Brown Equation Calculator Calculate the maximum vapor velocity using: $$ v_f = K \sqrt{\frac{\rho_L – \rho_V}{\rho_V}} $$ * Enter the Souders–Brown constant \( K \) (m/s), liquid density \( \rho_L \) (kg/m³), and vapor density \( \rho_V \) (kg/m³). Step 1: Enter Parameters Souders–Brown Constant, \( K \) (m/s): Typical values range […]
Euler Number Calculator Euler Number Calculator Calculate the Euler number using: $$ Eu = \frac{\Delta P}{\tfrac{1}{2}\rho\,v^2} $$ * Enter the pressure difference \( \Delta P \) (Pa), fluid density \( \rho \) (kg/m³), and flow velocity \( v \) (m/s). Step 1: Enter Parameters Pressure Difference, \( \Delta P \) (Pa): e.g., 1000 Pa Fluid […]
Cavitation Number Calculator Cavitation Number Calculator Calculate the Cavitation Number using: $$ \sigma = \frac{P_\infty – P_v}{\tfrac{1}{2}\rho\,v^2} $$ * Enter the ambient pressure \(P_\infty\) (Pa), vapor pressure \(P_v\) (Pa), fluid density \(\rho\) (kg/m³), and flow velocity \(v\) (m/s). Step 1: Enter Parameters Ambient Pressure, \( P_\infty \) (Pa): e.g., 101325 Pa (atmospheric pressure) Vapor Pressure, […]
Darcy’s Law Calculator Darcy’s Law Calculator Calculate the volumetric flow rate using Darcy’s Law: $$ Q = K \, A \, \frac{\Delta h}{L} $$ * Enter the hydraulic conductivity \( K \) (m/s), cross-sectional area \( A \) (m²), head difference \( \Delta h \) (m), and length \( L \) (m). Step 1: Enter […]
Bernoulli’s Equation Calculator Bernoulli’s Equation Calculator Use Bernoulli’s equation to solve for the pressure at point 2: $$ P_2 = P_1 + \tfrac{1}{2}\rho\,(v_1^2 – v_2^2) + \rho\,g\,(h_1 – h_2) $$ * Enter the parameters below in SI units. Step 1: Enter Parameters Pressure at Point 1, \( P_1 \) (Pa): e.g., 101325 Pa (atmospheric pressure) […]